Headset



FIG. 1 is a front view of a headset according to my new design,

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is an upper right perspective view thereof. 

The ornamental design for a headset, as shown. 